Heaviest element created
The current heaviest element created record is 118 protons, held by Joint Institute for Nuclear Research and Lawrence Livermore (oganesson), set on January 1, 2002. Last checked October 10, 2026.
118
protons
Joint Institute for Nuclear Research and Lawrence Livermore (oganesson)
- Holder
- Joint Institute for Nuclear Research and Lawrence Livermore (oganesson)
- Record
- 118 protons
- Exact figure
- Oganesson, atomic number 118
- Date set
- January 1, 2002
- Recognized by
- IUPAC
- Last checked
- October 10, 2026
Sources
- ccwww.kek.jp Read the source
- chemistryworld.com Atom by atom experiments at the edge of the periodic table
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